Mathematics
Senior High
3行目から4行目の式の導き方ってどーやるんですか？
7:20
logx
x (log x + 1)
ligx = txtcx. = dx = dt
よって、(年式) = dt
S.
1
dr
=
=
S (¹ - ==-₁) de
= t - log|t+1| + c.
x
(CHR)
logx-log/lgx+1|+ c
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